Home / 31,703.14-43,749.17-18,274.96

Finding the Fourth Proportional to 31,703.14, 43,749.17 and 18,274.96

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Solution

The fourth proportional to 31,703.14, 43,749.17 and 18,274.96 is: 25,218.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,703.14 : 43,749.17 = 18,274.96 : x
  2. Step 2: Convert to fraction form
    31,703.14/43,749.17 = 18,274.96/x
  3. Step 3: Cross multiply
    31,703.14x = 43,749.17 × 18,274.96
  4. Step 4: Simplify right side
    31,703.14x = 799,514,240.41
  5. Step 5: Solve for x
    x = 799,514,240.41/31,703.14
  6. Step 6: Final answer
    x = 25,218.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.